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adj. Unexpectedly sudden: an abrupt change in the weather.

adj. Surprisingly curt; brusque: an abrupt answer made in anger.

adj. Touching on one subject after another with sudden transitions: abrupt prose.

adj. Steeply inclined. See Synonyms at steep1.

adj. Botany Terminating suddenly rather than gradually; truncate: an abrupt leaf.

adj. Broken off; very steep, or craggy, as rocks, precipices, banks; precipitous; steep.

adj. Without notice to prepare the mind for the event; sudden; hasty; unceremonious.

adj. Having sudden transitions from one subject to another; unconnected.

adj. Suddenly terminating, as if cut off.

n. An abrupt place.

v. To tear off or asunder.

Broken or appearing as if broken away or off; marked by or showing a sudden breach or change of continuity; wanting continuation or completion: as, the path or the discourse came to an abrupt termination; an abrupt turn in a road. Hence Steep; precipitous: as, an abrupt cliff; an abrupt descent.

Figuratively, sudden; without notice to prepare the mind for the event; unceremonious: as, an abrupt entrance or address.

Lacking in continuity; having sudden transitions from one subject to another: as, an abrupt style.

In botany, terminating suddenly: as, an abrupt point: sometimes used in the sense of truncate: as, an abrupt leaf.

n. An abrupt place; a precipice or chasm.

To break off; interrupt; disturb.

adj. extremely steep

adj. surprisingly and unceremoniously brusque in manner

adj. marked by sudden changes in subject and sharp transitions

adj. exceedingly sudden and unexpected

"The term abrupt climate change arose in the study of past climate."

steep    discourteous    disconnected    staccato    sudden   

abrupt-pinnate   

broken    disconnected    unexpected    hasty    sudden    blunt    unceremonious    rough    rugged    curt   

corrupt    disrupt    erupt    interrupt    upped   

sudden    rapid    harsh    final    startle    curt    hasty    momentary    rough